| Lalanne-Trie | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Lalanne-Trie (65).svg |
| Arrondissement: | Tarbes |
| Canton: | Les Coteaux |
| Insee: | 65250 |
| Postal Code: | 65220 |
| Mayor: | Olivier Giret[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pays de Trie et Magnoac |
| Coordinates: | 43.3111°N 0.3392°W |
| Elevation M: | 350 |
| Elevation Min M: | 250 |
| Elevation Max M: | 372 |
| Area Km2: | 4.92 |
Lalanne-Trie (in French pronounced as /lalan tʁi/; Occitan (post 1500);: La Lana) is a commune in the Hautes-Pyrénées department in south-western France.